Linux-Hams archive - June 1998: Re: DRSI-cards and full duplex?

Re: DRSI-cards and full duplex?

Joerg Reuter (jwyu@s0.enms.pl)
Mon, 15 Jun 1998 19:23:28 +0200


> Ok, I found out why I had problems. In the z8530drv.conf-file I had
> used "clock dpll" which is for "normal half duplex operation", and
> the ports I had problems with was set to full duplex...

It cannot work. You need a hardware transmit clock since
the clock divider gets reprogrammed when you start to transmit.
Whenever you receive something while transmitting the DPLL
gets adjusted... Thus your transmission fails.

Joerg Reuter http://poboxes.com/jreuter/
And I make my way to where the warm scent of soil fills the evening air.
Everything is waiting quietly out there.... (Anne Clark)